import java.text.*;
import java.util.Locale;

public class Numbers {
    public static void main(String args[]) {

      // Initialize total
      double answer = 0;

      // Working variable
      double number;

      // Loop through all the command line args
      for (int i=0; i < args.length; i++) {

        try {

          // First try to convert arg to an int
          number = Integer.parseInt(args[i]);
          // Add to total if int
          answer += number;

        } catch (NumberFormatException intTry) {

          try {

            // Next try to convert arg to a double
            number = Double.parseDouble(args[i]);
            // Multiple to total if double
            answer *= number;

          } catch (NumberFormatException doubleTry) {

            // Display message if neither int nor double
            System.err.println("Arg: " + (i+1) +
              " invalid (" + args[i] + ")");

          }
        }
      }

      // Create a currency display format with Local included
      NumberFormat nf =
                  NumberFormat.getCurrencyInstance(Locale.US);

      // Display output as US currency format
      System.out.println("The answer is " + nf.format(answer));
    }
}